#### Answer

$\frac{7\sqrt {13}}{13}$

#### Work Step by Step

$\frac{7}{\sqrt {13}}\times\frac{\sqrt {13}}{\sqrt {13}}$
=$\frac{7\sqrt {13}}{\sqrt {13} \times \sqrt {13}}$
=$\frac{7\sqrt {13}}{13}$

Published by
Pearson

ISBN 10:
0321726391

ISBN 13:
978-0-32172-639-1

$\frac{7\sqrt {13}}{13}$

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